JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="icon" href="img/favicon.ico">
    <link rel="stylesheet" href="css/index.css">
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
    <link rel="stylesheet" href="css/fontawesome-all.min.css">
</head>
<body>
  <nav class="navbar navbar-default">
    <div class="container-fluid">
        <div class="navbar-header">
            <a class="navbar-brand" href="index.php">O.S.P</a>
        </div>
        <ul class="nav navbar-nav">
            <li class="active"><a href="index.php">Home</a></li>
            <li><a href="services.php">Services</a></li>
            <li><a href="about-us.php">About Us</a></li>
            <li><a href="sign-in.php">Sign In</a></li>
            <li><a href="sign-up.php">Sign Up</a></li>
        </ul>
    </div>
</nav>
   
   <script src="js/jquery-3.3.1.min.js"></script>
   <script src="js/bootstrap.bundle.min.js"></script>
   <script type="text/javascript" src="http://www.google-analytics.com/ga.js"></script>
</body>
</html>